Fig. 1From: Fluctuation in anti-cyclic citrullinated protein antibody level predicts relapse from remission in rheumatoid arthritis: KURAMA cohortThe number of anti-citrullinated peptide/protein antibody (ACPA) measurements and the fluctuation of ACPA titer level. a Distribution of the number of ACPA measurements in each patient. b Distribution of the follow-up period of each patient. c Heat map of the first seven ACPA titers for each patient whose titer levels were measured at least seven times. d The distribution of the ratio of maximum and minimum ACPA titer of each patient. e The distribution of the maximum ACPA titer of each patient. IQR, interquartile rage; SD, standard deviationBack to article page